Distance between cities › USA › Tennessee › Cosby, TN › Distance from Cosby to Washington Dulles International Airport

Distance from Cosby, TN to IAD Airport

Distance

466 mi

Time

7 hours 4 mins

Gas Cost

$45 - $87

There are 384.69 miles from Cosby to Washington Dulles International Airport (IAD) in northeast direction and 466 miles (749.95 kilometers) by car, following the I-81 N route.

Cosby and IAD Airport are 7 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Cosby, TN to IAD Airport. The halfway point is Elliston, VA.

Cosby, TN and IAD Airport are in the same time zone (EDT). Current time in both locations is 12:02 am.

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Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.72 gallons of gas to cover the route between Cosby, TN and IAD Airport.

The estimated cost of gas to go from Cosby to IAD Airport is $62.89.

During the route, an average car will release 366.72 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.36 per gallon of regular gas. Price last updated on April 15, 2024.
Read more about our CO₂ calculation.

Best Hotels In or Near IAD Airport

Do you have where to stay when you arrive to IAD Airport? Check out our hotel recommendations:

Halfway Point Between Cosby, TN and IAD Airport

If you want to meet halfway between Cosby, TN and IAD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.232506 and -80.239281, or 37º 13' 57.0216" N, 80º 14' 21.4116" W. This location is 233.04 miles away from Cosby, TN and IAD Airport and it would take approximately 3 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Elliston, VA, situated 230 miles from Cosby, TN and 238 miles from IAD Airport. It would take 3 hours 32 mins to go from Cosby to Elliston and 3 hours 45 mins to go from IAD to Elliston.